Home / 6,258,255.78-8,635,406.49-3,645,189.91

Finding the Fourth Proportional to 6,258,255.78, 8,635,406.49 and 3,645,189.91

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Solution

The fourth proportional to 6,258,255.78, 8,635,406.49 and 3,645,189.91 is: 5,029,787.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,258,255.78 : 8,635,406.49 = 3,645,189.91 : x
  2. Step 2: Convert to fraction form
    6,258,255.78/8,635,406.49 = 3,645,189.91/x
  3. Step 3: Cross multiply
    6,258,255.78x = 8,635,406.49 × 3,645,189.91
  4. Step 4: Simplify right side
    6,258,255.78x = 31,477,696,616,890.77
  5. Step 5: Solve for x
    x = 31,477,696,616,890.77/6,258,255.78
  6. Step 6: Final answer
    x = 5,029,787.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.